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Measurement of Transient Smoke Emissions Characteristics from E-Diesel and Soy-Diesel Fuel Blends in two Commercial Engines
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: 2007 ASAE Annual Meeting 076093.(doi:10.13031/2013.23324)
Authors: James L Glancey, A., Chirnside, J Hummel, S Nobles, S Chanpimol, A Raval
Keywords: E-Diesel, Biofuels, Particulate Matter, Diesel Emissions
In this study, the transient smoke emissions characteristics of three fuels were examined: an E-Diesel fuel (O2Diesel™: 7.7vol% biomass-derived fuel grade ethanol (ASTM D 4806), 0.6vol% proprietary co-solvent additive, and 91.7vol% no.2 diesel (ASTM D 975)), a B20 soy-diesel blend, and a conventional no. 2 diesel on-road fuel. Measurements of smoke emissions using each fuel in two commercial vehicles were made with a light extinction opacity meter and the SAE J1667 snap acceleration test method. Emission opacity from each engine was significantly reduced (p<0.05) with both the e-diesel and soy-diesel blends compared to No. 2 on-road diesel. In addition, opacity was significantly lower in both engines with the e-diesel blend compared to soy-diesel. Overall, relative to conventional petroleum diesel fuel, smoke emissions were reduced by 9% and 32% using the soy-diesel and e-diesel fuels, respectively. These results indicate that as part of a comprehensive air quality improvement program for the Mid-Atlantic region, e-diesel blends can provide significantly more emission reductions than biodiesel blends in diesel powered engines for both on- and off-road vehicles and power units.(Download PDF) (Export to EndNotes)